Home / 27,870.36-41,812.83-16,172.34

Finding the Fourth Proportional to 27,870.36, 41,812.83 and 16,172.34

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Solution

The fourth proportional to 27,870.36, 41,812.83 and 16,172.34 is: 24,262.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,870.36 : 41,812.83 = 16,172.34 : x
  2. Step 2: Convert to fraction form
    27,870.36/41,812.83 = 16,172.34/x
  3. Step 3: Cross multiply
    27,870.36x = 41,812.83 × 16,172.34
  4. Step 4: Simplify right side
    27,870.36x = 676,211,303.12
  5. Step 5: Solve for x
    x = 676,211,303.12/27,870.36
  6. Step 6: Final answer
    x = 24,262.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.